CN107129776A - 一种低电阻导电胶 - Google Patents

一种低电阻导电胶 Download PDF

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CN107129776A
CN107129776A CN201710380809.5A CN201710380809A CN107129776A CN 107129776 A CN107129776 A CN 107129776A CN 201710380809 A CN201710380809 A CN 201710380809A CN 107129776 A CN107129776 A CN 107129776A
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low resistance
conductive glue
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boron nitride
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钱龙风
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Abstract

本发明涉及一种低电阻导电胶,包括聚丙烯酸酯、氮化硼、氧化锌、导电填料、银粉和聚二甲基硅氧烷，其原料各组分按重量计，所述聚丙烯酸酯10‑20份、氮化硼20‑30份、氧化锌20‑30份、导电填料10‑15份、银粉15‑20份、聚二甲基硅氧烷10‑18份。本发明所述的低电阻导电胶，导电性好，粘结能力强，耐磨、耐高温，稳定性好，无毒，环保。

Description

一种低电阻导电胶
技术领域
本发明涉及界面散热材料领域，尤其涉及一种低电阻导电胶。
背景技术
随着微电子器件集成密度越来越高，微电子器件的散热需求也越来越高，因此，开发一种具有高导电性能的界面散热材料具有重要意义。由于导电胶具备环境友好性和低成本特点，已逐渐取代传统锡铅焊料互连材料。然而，传统导电胶发展过程也遇到一些瓶颈，如导电性能不高、密度大，稳定性不高等问题。
发明内容
本发明解决其技术问题所采用的技术方案是：提供一种低电阻导电胶，其特征是：包括聚丙烯酸酯、氮化硼、氧化锌、导电填料、银粉和聚二甲基硅氧烷，其原料各组分按重量计，所述聚丙烯酸酯10-20份、氮化硼20-30份、氧化锌20-30份、导电填料10-15份、银粉15-20份、聚二甲基硅氧烷10-18份。
作为优选，所述的低电阻导电胶，其特征是：其原料各组分按重量计，包含聚丙烯酸酯20份、氮化硼30份、氧化锌30份、导电填料15份、银粉20份、聚二甲基硅氧烷18份。
作为优选，所述的低电阻导电胶，其特征是：所述氮化硼为甲基硅油、甲基乙烯基硅橡胶、甲基苯基硅树脂的混合物。
作为优选，所述的低电阻导电胶，其特征是：所述导电填料为氮化铝，粒径大小为20-30nm。
作为优选，所述的低电阻导电胶，其特征是：由下述方法制备：
(1) 将聚丙烯酸酯、氮化硼、氧化锌、银粉和聚二甲基硅氧烷混合，在 40-50℃下，搅拌30-60min，然后在 1000W 的功率下超声 1-2h，得到混合物料 ；
(2) 向步骤 (1) 得到的混合物料中加入导电填料，在 70-80℃下固化1-1.5h，然后在100-110℃下固化 1-2h，最后在 150-160℃下固化 1-3h，得到低电阻导电胶。
本发明所述的低电阻导电胶，导电性好，粘结能力强，耐磨、耐高温，稳定性好，无毒，环保。
具体实施方式
本发明所述的一种低电阻导电胶，提供一种低电阻导电胶，包括聚丙烯酸酯、氮化硼、氧化锌、导电填料、银粉和聚二甲基硅氧烷，其原料各组分按重量计，所述聚丙烯酸酯10-20份、氮化硼20-30份、氧化锌20-30份、导电填料10-15份、银粉15-20份、聚二甲基硅氧烷10-18份。
作为优选，所述的低电阻导电胶，其特征是：其原料各组分按重量计，包含聚丙烯酸酯20份、氮化硼30份、氧化锌30份、导电填料15份、银粉20份、聚二甲基硅氧烷18份。
作为优选，所述的低电阻导电胶，其特征是：所述氮化硼为甲基硅油、甲基乙烯基硅橡胶、甲基苯基硅树脂的混合物。
作为优选，所述的低电阻导电胶，其特征是：所述导电填料为氮化铝，粒径大小为20-30nm。
作为优选，所述的低电阻导电胶，其特征是：由下述方法制备：
(1) 将聚丙烯酸酯、氮化硼、氧化锌、银粉和聚二甲基硅氧烷混合，在 40-50℃下，搅拌30-60min，然后在 1000W 的功率下超声 1-2h，得到混合物料 ；
(2) 向步骤 (1) 得到的混合物料中加入导电填料，在 70-80℃下固化1-1.5h，然后在100-110℃下固化 1-2h，最后在 150-160℃下固化 1-3h，得到低电阻导电胶。
以上所述仅是本发明的优选实施方式，并不用于限制本发明，应当指出， 对于本技术领域的普通技术人员来说，在不脱离本发明技术原理的前提下，还可以做出若干改进和变型，这些改进和变型也应视为本发明的保护范围。

Claims (5)

1.一种低电阻导电胶，其特征是：包括聚丙烯酸酯、氮化硼、氧化锌、导电填料、银粉和聚二甲基硅氧烷，其原料各组分按重量计，所述聚丙烯酸酯10-20份、氮化硼20-30份、氧化锌20-30份、导电填料10-15份、银粉15-20份、聚二甲基硅氧烷10-18份。
2.如权利要求1所述的低电阻导电胶，其特征是：其原料各组分按重量计，包含聚丙烯酸酯20份、氮化硼30份、氧化锌30份、导电填料15份、银粉20份、聚二甲基硅氧烷18份。
3.如权利要求1-2所述的低电阻导电胶，其特征是：所述氮化硼为甲基硅油、甲基乙烯基硅橡胶、甲基苯基硅树脂的混合物。
4.如权利要求1-2所述的低电阻导电胶，其特征是：所述导电填料为氮化铝，粒径大小为 20-30nm。
5.如权利要求1-2所述的低电阻导电胶，其特征是：由下述方法制备：
(1) 将聚丙烯酸酯、氮化硼、氧化锌、银粉和聚二甲基硅氧烷混合，在 40-50℃下，搅拌30-60min，然后在 1000W 的功率下超声 1-2h，得到混合物料 ；
(2) 向步骤 (1) 得到的混合物料中加入导电填料，在 70-80℃下固化1-1.5h，然后在100-110℃下固化 1-2h，最后在 150-160℃下固化 1-3h，得到低电阻导电胶。
CN201710380809.5A 2017-05-25 2017-05-25 一种低电阻导电胶 Pending CN107129776A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104073188A (zh) * 2014-06-06 2014-10-01 苏州之诺新材料科技有限公司 一种丙烯酸酯导电胶粘剂及其制备方法
CN104962215A (zh) * 2015-06-30 2015-10-07 苏州洋杰电子有限公司 一种含有改性丙烯酸树脂的导电胶
CN106047229A (zh) * 2016-06-27 2016-10-26 强新正品（苏州）环保材料科技有限公司 导电胶的制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104073188A (zh) * 2014-06-06 2014-10-01 苏州之诺新材料科技有限公司 一种丙烯酸酯导电胶粘剂及其制备方法
CN104962215A (zh) * 2015-06-30 2015-10-07 苏州洋杰电子有限公司 一种含有改性丙烯酸树脂的导电胶
CN106047229A (zh) * 2016-06-27 2016-10-26 强新正品（苏州）环保材料科技有限公司 导电胶的制备方法

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Application publication date: 20170905